>2M0V_1|Chain A|Na(+)/H(+) exchange regulatory cofactor NHE-RF1|Homo sapiens (9606) GIDPFTMLRPRLCTMKKGPSGYGFNLHSDKSKPGQFIRSVDPDSPAEASGLRAQDRIVEVNGVCMEGKQHGDVVSAIRAGGDETKLLVVDRETDEFFKKCRVIPSQEHLNGPLPVPFTNGEIQKENSR >2M0V_2|Chain B|C-terminal CFTR peptide| QDTRL